This unusual rock formation looks like an apple that has been neatly sliced in half.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.

A Maori village obliterated by an 1886 volcanic eruption.

Some of the clearest water anywhere in the world.

A glacier pocked with ice caves and surrounded by rainforests.

Known for the tunnel that leads visitors to the water.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

This pink watchtower served as the seat of the Greek government after independence from the Turks.

Τhis feline monument commemorates fallen soldiers on a field that saw many, many battles.

A secluded natural oasis hidden deep along a rainforest trail.

The vibrant buildings in the “capital of the comic strip” celebrate the art form that made it famous.

Early Islamic mosque with several strange conical domes.

A deserted Bedouin village lines the shores of this stunning desert oasis.

Magnificent Roman ruins lie vulnerable to destruction on the edge of the Mediterranean.

Landscape of bizarrely shaped desert mountains and innumerable rock carvings.

A beautiful oasis town dating back to the Roman period still serves as reprieve from the brutal summer sun in Libya.

A fortress-like granary that has been continually in use for more than nine centuries.